Kona Shred 20 vs Sun Biscayne Tandem 7

Compare Specifications of Kona Shred 20 and Sun Biscayne Tandem 7

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Kona Shred 20
Kona Shred 20

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Technical Specifications
Drivetrain -- K.M.C. 1/2" x 1/8", Black (152 Links)
Frame Kona 6061 Aluminum Butted High Tensile Steel, TIG-Welded
Stem Kona OB Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
Handle Bar Kona OB Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Stoker Handlebar: Steel, 27" Wide x 10.8" Rise x 25.4mm Clamp, Black
Fork Spinner Grind Air 50 mm 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seats Seat Clamp : Kona QR --
Seatpost 27.2 mm Kona Thumb Alloy w/o Clamp, 25.6 x 350mm, Black
Grip Kona DJ Foam, Black
Crankset FSA Vero --
Pedals Wellgo Platform Slip Resistant Top, 9/16", Black
Chain KMC Z50 K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shimano Revo Shift Shimano 7-Speed Revo Twist Shifter
Saddle Kona DJ Comfort Cruiser, Elastomer Suspension, Black
Headset FSA TH877S Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear -- Shimano RD-TX35 Tourney
Hub Front KT Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)
Hub Rear KT Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke Stainless 14 g 14G Stainless Steel with Brass Nipples
Chainrings 36 t / Guard --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front 20 x 2.125 Kenda K Rad Beach Bum 26 x 2.125", Black Wall
Rear 20 x 2.125 Kenda K Rad Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Double Wall alloy
Free Wheel : Shimano Tourney 14-28 t 6spd
Rims:26" x 36H x 14G, Red
Front: 26" x 1.75 x 36H x 14G Alloy-Cruiser, Bolt-On
Rear: 26" x 1.75 x 36H x 14G Alloy-Cruiser, (FOR FREEWHEEL)
Brakes
Front 160 mm Tektro Wave, Tektro HDM286 Hydraulic Alloy (Linear Pull) Black
Rear 160 mm Tektro Wave, Tektro HDM286 Hydraulic Alloy (Linear Pull) Black
Brake Lever Tektro Novela Alloy (Linear Pull) Black / Silver
Suspension
Front 50 mm --
Rear -- --
Colors Available
Colors Matt Blue with Black Decals --


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features - Internal Headset --
Additional Details Drivetrain : Shimano Tourney 6spd
Cockpit : Kona OB bar and stem, Kona DJ Grip
Bottom Bracket : CH52
Brake Calipers : Tektro HDM286 Hydraulic
Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks)
Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks)
Freewheel: Shimano TZ-21 (7-Speed) 14-28T
Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks)
Stoker Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks)
Stoker Crank Right: 3-Piece Alloy, 170mm x 42T x 1/2" x 3/32", Black (For Diamond Square Cranks)
Chainwheel: Steel, Silver Painted W/Plastic Chain Cover
Pulley Adjuster:Eccentric BB Insert
Seat Clamp: Alloy, 28.6mm I.D., with Double Bolt, Black
Stoker Seat Clamp: Alloy, 34.9mm I.D., Black
Front Fender: Steel, W/Single Strut, Painted
Rear Fender: Steel, W/Single Strut, Painted
Fender Set: Plastic, F&R W/Rubber Bump Guards, Silver

Which one do you think is better? And why?
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